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Simulation Studies of Aromatic Amine Dehydrogenase bound Phenylethylamine Analogues
Peartree, Philip Neil Alexander
[Thesis]. Manchester, UK: The University of Manchester; 2011.
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Abstract
A series of para-substituted phenylethylamine analogues bound to the enzyme aromatic amine dehydrogenase have been simulated using quantum mechanical electronic structure calculations and molecular mechanical molecular dynamics simulations. Trends have been verified connecting bond dissociation energy (and thus driving force) to observed rate constants and activation enthalpy. Trends have been identified in connecting statistics drawn from molecular dynamics simulations and the temperature dependence of the kinetic isotope effect, notably that as the temperature dependence of the kinetic isotope effect increases the flexibility of the promoting vibration decreases. This is explained as being more effected by thermal energy put into the system, and therefore more affected by temperature.
Keyword(s)
AADH; Aromatic Amine Dehydrogenase; Computational Chemistry; Enzymology; Hydrogen Tunneling; Molecular Dynamics; Quantum Mechanics; Quantum Tunneling